http://news.yahoo.com/s/ap/20110316/ap_on_bi_ge/as_japan_earthquake_199
1,000 millisieverts/hour...
MILLIsieverts. not microsieverts. this is really fukin bad.
EXPOSURE AS FOLLOWS:
250 - 1,000 nausea possible, damage to lymph nodes, bone marrow and spleen
1,000 - 3,000 mild to severe...